Arbutin

Functions: Active ingredient

A classic brightening ingredient that helps spots and skin tone look more even.

What it does

Slows the enzyme involved in making pigment, so spots and overall tone look more even

Typical use level

About 2–5 g per 100 g

Watch out for

The EU's expert committee (SCCS) considered it safe up to 7% in face creams
Contact dermatitis has been reported in people, but rarely
In Korea it's listed as an MFDS-notified functional ingredient for brightening (2–5%), though the notice text hasn't been checked directly

Based on official safety documents (CIR, SCCS and similar).

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